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Thermostats

Discover a wide range of thermostats designed for precise temperature control in homes and buildings. From basic models to advanced programmable options, find the perfect fit for your HVAC system.

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Dorman 902-2090 Thermostat Housing Assembly for Cadillac Escalade, Chevy Silverado/Tahoe, GMC Sierra/Yukon 2014-2020

The Dorman 902-2090 is a direct-fit engine coolant thermostat housing assembly for select 2014-2020 Cadillac, Chevrolet, and GMC trucks and SUVs. Its robust design resists cracking and leaking under extreme temperatures, ideal for owners seeking a durable OE replacement.

  • Direct OE replacement ensures seamless fit for Cadillac Escalade, Chevy Silverado/Tahoe/Suburban, GMC Sierra/Yukon
  • Withstands extreme heat and cold to prevent leaks and extend engine life
  • Saves time and money with professional-grade quality from a 100-year auto parts leader
  • Engineered for reliability in heavy-duty trucks and SUVs
  • Easy installation with confirmed fit via vehicle garage tool

Perfect direct fit for specified GM models. Superior durability against temperature extremes. Backed by Dorman's century of automotive expertise.

Fitment requires vehicle verification via garage tool. May need separate thermostat or gasket for complete repair. Professional installation recommended for best results.

Star Max 2T-Z5958 Genuine OEM Thermostat Replacement for Commercial Grills, Griddles & Charbroilers

The Star 2T-Z5958 is a genuine OEM thermostat for Star Max commercial cooking equipment like griddles and charbroilers. Its OEM quality ensures safety, reliability, and warranty protection, ideal for restaurant operators needing dependable U.S.-made replacements.

  • Perfect compatibility restores original performance in Star Max grills and hotplates
  • Superior reliability minimizes equipment downtime in busy commercial kitchens
  • Enhanced safety assurance protects staff and customers during high-volume cooking
  • Preserves your equipment warranty with authentic OEM standards
  • USA-made craftsmanship delivers long-lasting durability since 1921

Exact OEM fit for seamless replacement. Built to original quality specs for reliability. Safety-certified for commercial use.

Compatible only with specific Star models. Nonprogrammable design lacks advanced controls. Best suited for original equipment applications.

GM Genuine Parts 15-11113 Water Pump Outlet Assembly with Thermostat - OE Replacement for Leaking Housings in GM Vehicles

The GM Genuine Parts 15-11113 is a water pump outlet assembly with thermostat that repairs leaking thermostat housings in GM vehicles. Its standout OE quality and GM-recommended design make it ideal for GM owners seeking reliable engine cooling restoration.

  • Repairs leaking thermostat housings to prevent coolant loss and overheating
  • GM-recommended OE replacement for seamless fit in GM vehicles
  • Delivers factory-level quality, reliability, and durability
  • Maintains optimal engine cooling performance
  • Engineered and tested to rigorous GM standards

Perfect OE match for GM vehicles. High reliability from GM engineering. Effectively fixes common housing leaks.

Designed specifically for GM vehicles, not universal fit. International products may vary in labeling or minor specs. Typically requires mechanical knowledge for installation.

AISIN THM-011 Engine Coolant Thermostat with Gasket - OE Fit for Infiniti FX45 FX50, Nissan Titan Armada, Mitsubishi Outlander

The AISIN THM-011 is an OE-matched engine coolant thermostat with included gasket for select Infiniti, Nissan, and Mitsubishi vehicles. It delivers efficient cooling, correct operating temperature, and long-lasting performance from premium materials, perfect for reliable engine maintenance.

  • Ensures precise OE form, fit, and function for seamless replacement
  • Provides efficient, consistent cooling to prevent engine overheating
  • Built with premium materials for extended durability and reliability
  • Matches exact OE operating temperature for optimal performance
  • Includes gasket to simplify installation and reduce leaks

Superior OE technology for perfect compatibility. High-quality construction promotes long service life. Gasket included for complete, hassle-free kit.

Fitment varies by engine type; verify specifics first. Limited to select Infiniti, Nissan, and Mitsubishi models.

A-Premium Thermostat & Housing Assembly for Chevy Silverado 1500, GMC Sierra, Cadillac Escalade - 4.3L 5.3L 6.2L Replaces 12674639

This A-Premium engine coolant thermostat and housing assembly fits 2014-2020 Chevy Silverado 1500, Tahoe, Suburban, GMC Sierra 1500, Yukon, and Cadillac Escalade with 4.3L, 5.3L, or 6.2L V8 engines. Its corrosion-resistant construction and 207°F thermostat deliver reliable cooling performance for truck and SUV owners needing a durable OEM-style replacement.

  • Ensures optimal engine temperature control with 207°F thermostat for peak performance
  • Corrosion-resistant materials extend lifespan and prevent leaks in harsh conditions
  • Precise fit for Chevy, GMC, and Cadillac V8 trucks and SUVs simplifies installation
  • High-stability design maintains cooling efficiency mile after mile
  • Includes thermostat and matches OEM specs like 12674639 for seamless replacement

Broad compatibility across popular 2014-2020 Chevy, GMC, and Cadillac models. Durable flange and housing withstand daily use and extreme temperatures. Exact OEM reference match ensures reliable function without modifications.

Limited to specific 4.3L, 5.3L, and 6.2L V8 engines and model years. Professional installation recommended for best results. Gaskets not included, may need separate purchase.

AISIN THT-003 OE Engine Coolant Thermostat with Housing & Gasket for Toyota 4Runner, Tacoma, Tundra, FJ Cruiser

The AISIN THT-003 is an OE-matched engine coolant thermostat with housing and gasket for select Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra models. It delivers consistent performance with exact OE specifications and premium materials for reliable cooling, perfect for Toyota owners needing a direct replacement.

  • Delivers efficient, consistent engine cooling to prevent overheating
  • Perfect OE form, fit, and function for seamless installation
  • Built with premium materials for long-lasting durability
  • Matches exact OE operating temperature for optimal performance
  • Includes thermostat housing and gasket for complete, hassle-free replacement

Superior OE-matched quality ensures reliable performance. Complete kit with housing and gasket saves time and cost. Correct temperature specs maintain engine health.

Fitment depends on specific engine type—verify compatibility. Installation may require basic mechanical tools. Limited to select Toyota models only.

Dorman 902-5155 Thermostat Housing Assembly for BMW 135i 335i X1 X5 X6 - Durable OE Replacement

The Dorman 902-5155 is a direct replacement engine coolant thermostat housing assembly for select BMW models including 135i, 335i, X1, X5, and X6 from 2009-2015. Its robust construction resists cracking and leaking under extreme temperatures, making it ideal for BMW owners needing reliable aftermarket repairs.

  • Direct OE fit eliminates guesswork for seamless installation on compatible BMWs
  • Extreme temperature resistance prevents cracks and leaks for longer engine life
  • Saves money compared to dealer parts without sacrificing quality
  • Engineered by aftermarket leader for professional-grade reliability
  • Ensures precise compatibility via Amazon Garage for your exact trim

Perfect direct replacement for specified BMW models. Superior durability against heat and cold extremes. Cost-effective alternative to OEM dealer pricing.

Fits only select BMW models and years—verify compatibility. May require professional tools for installation. Limited real-world reviews available.

MNJWS Thermostat Housing Gasket Sensor for Chevy Cruze Sonic Trax 1.6L 1.8L - Replaces 25192228 902-033 15-81816

This MNJWS thermostat housing integrates gasket and sensor for 1.6L and 1.8L engines in 2011-2018 Chevy Cruze, Sonic, and Trax. It excels in durability to prevent overheating and error codes like P0597, ideal for owners seeking a reliable DIY replacement.

  • Prevents engine overheating and clears error codes like P0597, P0598, P0599 for reliable performance
  • All-in-one design with integrated thermostat, sensor, and gasket simplifies installation
  • Direct OEM fit for 1.6L and 1.8L Ecotec engines in Chevy Cruze, Sonic, and Trax
  • Superior materials exceed OEM standards for longer life and better resistance
  • Replaces multiple GM and aftermarket parts like 25192228, 902-033, saving time and costs

Perfect direct fit meets or exceeds OEM specs. Integrated components reduce leak risks and installation hassle. Durable construction outlasts originals.

Aftermarket part, not genuine GM. 12-month warranty is relatively short. No customer reviews available yet.

AISIN THT-015 OE Engine Coolant Thermostat for Lexus GS400/GS430/GX470 & Toyota 4Runner/Tundra/Sequoia

The AISIN THT-015 is an OE-matched engine coolant thermostat delivering efficient, consistent cooling performance in select Lexus and Toyota vehicles. Owners of compatible models like GS430, GX470, 4Runner, and Tundra should buy it for its perfect form, fit, function, and correct operating temperature.

  • Seamless OE replacement ensures perfect fit and function without modifications
  • Reliable cooling performance prevents overheating and engine damage
  • Premium materials extend thermostat life and system durability
  • Exact OE temperature rating maintains optimal engine operation
  • Trusted AISIN engineering from a global OE leader

Superior OE-matched quality for dependable performance. High customer ratings confirm reliability in real-world use. Correct operating temperature matches factory specs.

Gasket not included, requiring separate purchase. Fitment depends on specific engine; verification recommended.

Dorman 902-5142 Thermostat Housing Assembly for Honda Accord, Acura TSX, Crosstour & Element (2003-2015)

The Dorman 902-5142 is a direct-fit engine coolant thermostat housing assembly for select Acura TSX and Honda Accord, Crosstour, Element models from 2003-2015. Its durable design resists cracking and leaking under extreme temperatures, making it ideal for DIY mechanics and owners seeking reliable OEM-quality repairs at lower cost.

  • Direct replacement ensures seamless installation without modifications
  • Resists extreme temperatures to prevent leaks and extend engine life
  • Saves money compared to dealer parts while matching OEM quality
  • Engineered for long-lasting durability in harsh conditions
  • Perfect fit for Acura TSX 2009-2014 and Honda Accord 2003-2012

Precise fit for specified Acura and Honda models. Superior resistance to cracking and temperature extremes. Cost-effective alternative to original equipment.

Fitment must be confirmed via garage tool for your exact trim. Does not include thermostat or gasket, sold separately. Plastic housing may wear over very long-term use.

Welcome to our comprehensive guide on Thermostats, an essential component in any modern HVAC system. Whether you're upgrading your home's climate control for better energy efficiency, comfort, or smart home integration, our selection offers reliable options from trusted brands to suit every budget and need.

Understanding Thermostats and Their Importance

Thermostats are the brains of your heating, ventilation, and air conditioning (HVAC) setup, regulating indoor temperatures to maintain comfort while optimizing energy use. In the Tools & Home Improvement category, thermostats stand out as simple yet powerful devices that can significantly reduce utility bills and improve living conditions. Available in various types, they range from basic mechanical models to sophisticated digital and smart versions.

Choosing the right thermostat matters because it directly impacts your home's efficiency. A well-selected unit can prevent overworking your furnace or AC, extend equipment life, and provide precise control. For broader context, thermostats fit seamlessly within Building Supplies and are a key part of any HVAC installation or retrofit.

Types of Thermostats Available

Our Thermostats category includes several types to match different user needs:

  • Non-Programmable Thermostats: Simple, manual controls ideal for basic setups or rentals where advanced features aren't needed.
  • Programmable Thermostats: Allow scheduling temperature changes throughout the day, perfect for working professionals who want to save energy when away.
  • Smart Thermostats: Wi-Fi enabled with app control, voice assistant compatibility (like Alexa or Google Home), and learning algorithms that adapt to your habits. Check out our dedicated Smart Thermostats subcategory for cutting-edge options.
  • Wi-Fi and Battery-Powered Models: Offer remote access and reliability without constant wiring.

These fall under Thermostats & Accessories, where you can also find mounts, batteries, and wiring kits.

Key Features to Consider When Buying a Thermostat

When shopping, prioritize features that align with your lifestyle and home setup. Here are the most important ones:

  • Compatibility: Ensure it works with your existing HVAC system, whether gas, electric, heat pump, or multi-stage.
  • Display and Interface: Look for backlit LCD screens, touch interfaces, or intuitive buttons for easy reading and adjustments.
  • Energy Savings: Features like auto-away detection, geofencing, and usage reports help cut costs.
  • Installation Ease: Many models are DIY-friendly with clear instructions, but professional install may be needed for complex wiring.
  • Durability and Warranty: Opt for units with robust builds to withstand daily use, often backed by multi-year warranties.
  • Smart Home Integration: Seamless pairing with ecosystems like Nest, Ecobee, or Honeywell for whole-home automation.

Consider your home size, occupancy patterns, and climate. For larger homes, multi-zone capable thermostats provide zoned control.

Common Use Cases for Thermostats

Thermostats serve diverse applications:

  • Residential Homes: Maintain ideal temperatures year-round, especially in varying climates.
  • Offices and Commercial Spaces: Schedule adjustments to reduce energy waste during off-hours.
  • Smart Home Upgrades: Integrate with lights, locks, and security for automated comfort.
  • Energy Efficiency Retrofits: Replace outdated models to qualify for rebates or improve green credentials.
  • Rentals or Second Homes: Battery-powered, wireless options for easy setup without permanent changes.

Pairing a new thermostat with proper insulation or duct sealing amplifies benefits.

How to Choose and Install Your Thermostat

Start by assessing your current system: note voltage (24V line-voltage or low-voltage), stages, and fan control. Measure your needs, do you want scheduling or remote access? Read user manuals for compatibility charts.

Installation typically involves turning off power, removing the old unit, connecting wires (common colors: R for power, W for heat, Y for cool, G for fan), and mounting the new base. Most take under 30 minutes. For smart models, download the app and connect to Wi-Fi during setup.

Test thoroughly post-install: cycle heat/cool modes and verify schedules. If unsure, consult an HVAC pro from our HVAC resources.

Frequently Asked Questions

What is the difference between programmable and smart thermostats?

Programmable thermostats require manual schedule setting, while smart ones learn patterns, adjust automatically, and offer app/remote control for greater convenience and savings.

Do I need a C-wire for smart thermostats?

Many modern smart thermostats require a common (C) wire for power; adapters or power extenders are available if your system lacks one.

Can I install a thermostat myself?

Yes, most low-voltage models are DIY-friendly with included tools and videos. Line-voltage units often need a professional for safety.

Will a new thermostat save me money on energy bills?

Absolutely, users often see 10-20% savings through precise control and scheduling, especially with smart models that optimize usage.

Are thermostats compatible with all HVAC systems?

Most are, but check specs for heat pumps, radiant floors, or zoning. Universal models handle 95% of setups.